28-19 Crankshaft Position sensor checking.pdf

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Crankshaft Position (CKP) sensor, checking
Page 1 of 3
28-19
Crankshaft Position (CKP)
sensor, checking
Component locations
page 28-1
.
All sensors correctly installed, securely
connected
- Disconnect (black) harness connector.
- Switch Fluke 83 multimeter to resistance range and connect between
CKP sensor connector terminals 1 and 2 (in connector bracket) using
jumper wires from VW 1594 test kit.
Specified value: approx.1000
If the specified value is not obtained:
- Replace Crankshaft Position (CKP) sensor.
If the specified value is obtained:
- Connect multimeter between terminal 1 and 3 (GND), then between
terminals 2 and 3 (GND).
Specified value: infinite
(open)
If the specified value is not obtained:
- Replace Crankshaft Position (CKP) sensor.
http://127.0.0.1:8080/audi/servlet/Display?action=Goto&type=repair&id=AUDI.B5.FU01.28.5
11/23/2002
Crankshaft Position (CKP) sensor, checking
Page 2 of 3
If the specified value is obtained:
- Check wiring for continuity or short between CKP sensor and ECM
using wiring diagram.
http://127.0.0.1:8080/audi/servlet/Display?action=Goto&type=repair&id=AUDI.B5.FU01.28.5
11/23/2002
Crankshaft Position (CKP) sensor, checking
Page 3 of 3
28-20
- Connect VAG 1598/19 test box to ECM harness
connector
page 01-255
.
- Check CKP sensor shielding for continuity by connecting multimeter
between terminal 3 and engine Ground (GND).
Specified value: max. 1
- Check wiring for continuity between CKP sensor connector terminal 1
and test box socket A9, then between CKP sensor connector terminal
2 and test box socket A10.
Specified value: max. 1
If the specified values are not obtained:
- Eliminate short or open circuit in wiring.
CKP sensor terminal
number
1
2
3
If wiring is OK:
- Replace ECM
page 01-265
.
ECM connector A or engine ground
(GND)
A9
A10
Engine Ground (GND)
http://127.0.0.1:8080/audi/servlet/Display?action=Goto&type=repair&id=AUDI.B5.FU01.28.5
11/23/2002

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